PanoTools mailing list archive

Mailinglist:PanoTools NG
Sender:Fernando Costa Pinto
Date/Time:21-Mar-2012 00:02:02 +0000
Subject:Re: 360 spherical videos using 4 (or 5) vertical APS-C cameras

Thread:


Hi there ,

I am looking for  a solution in video 360, using 5 Gopro.

Isn't this solution, the Panodistro,
http://photoshipone.com/shop/index.php?main_page=product_info&cPath=40&p...
 a way to get complete synchro with the five go pro ?

rgds
Fernando
Salvador
Bahia

On Sun, Jan 15, 2012 at 10:13 PM, Giorgio Marchetto <
#removed#> wrote:

> Hello panofriends
>
> I would like to create 360 spherical videos using 4 (or 5) vertical
> APS-C cameras.
> For example: Nikon D5100, Sony Nex5N. Expect 3800x1900 pixel frame size
> I have already used this technique to create Spherical (image) panoramas
> with my Nikon D300 and Sigma 8mm fisheye lens (tilted +5?)
> With 3:2 ratio (image) size horizontal width is larger than 16:9
> (video), so there could not be enough overlap to stitch the frames with
> only 4 cameras.
>
> I need to solve the following issues:
> RECORDING
> 1) how to link recording start/stop on all cameras?
> 2) how to link (=have the same) exposures?
>    There could be more ways to set dinamically the exposures:
>    a) an exposure 'master' camera which controls all the other 'slave'
> cameras (which uses the same exposures): Ladybug cameras should work in
> this way.
>    b) an average exposure value calculation, to apply simultaneously to
> all camera. How to do this?
>    c) dinamically select the shortest exposure and apply to all cameras
> (I prefer, in post production, correct under-exposed images). How to do
> this?
> POST PROCUCTION
> 3) How to automate the post production workflow?
>    I should prefer avoid frame by frame workflow (time consuming issue:
> In 25 fps video, there are 1500 frames/min,  90K frames/hour......)
>    The frame-by-frame workflow: convert videos to frames, stitch and
> correct frame by frame panorama, convert frame by frame panoramas to
> video panorama.
>
> thanks in advance for sharing your expriences!
>
> Giorgio Marchetto
> Web & Multimedia Developer
>
>
> ------------------------------------
>
> --
>
>
>
>

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